EP3982552A4 - Channel measurement method and communication apparatus - Google Patents
Channel measurement method and communication apparatus Download PDFInfo
- Publication number
- EP3982552A4 EP3982552A4 EP20818110.7A EP20818110A EP3982552A4 EP 3982552 A4 EP3982552 A4 EP 3982552A4 EP 20818110 A EP20818110 A EP 20818110A EP 3982552 A4 EP3982552 A4 EP 3982552A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- communication apparatus
- measurement method
- channel measurement
- channel
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000691 measurement method Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0417—Feedback systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/10—Polarisation diversity; Directional diversity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
- H04B7/0456—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting
- H04B7/046—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account
- H04B7/0469—Selection of precoding matrices or codebooks, e.g. using matrices antenna weighting taking physical layer constraints into account taking special antenna structures, e.g. cross polarized antennas into account
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0636—Feedback format
- H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910493468.1A CN112054824B (en) | 2019-06-06 | 2019-06-06 | Channel measurement method and communication device |
PCT/CN2020/093895 WO2020244496A1 (en) | 2019-06-06 | 2020-06-02 | Channel measurement method and communication apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3982552A1 EP3982552A1 (en) | 2022-04-13 |
EP3982552A4 true EP3982552A4 (en) | 2022-06-29 |
Family
ID=73608915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20818110.7A Pending EP3982552A4 (en) | 2019-06-06 | 2020-06-02 | Channel measurement method and communication apparatus |
Country Status (4)
Country | Link |
---|---|
US (1) | US11943014B2 (en) |
EP (1) | EP3982552A4 (en) |
CN (2) | CN113660013A (en) |
WO (1) | WO2020244496A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4010988A4 (en) * | 2019-08-05 | 2022-12-21 | Cohere Technologies, Inc. | Spectral sharing wireless systems |
US20240137093A1 (en) * | 2021-02-01 | 2024-04-25 | Beijing Xiaomi Mobile Software Co., Ltd. | Encoding method and decoding method for channel state information and communication device |
CN115085876A (en) * | 2021-03-10 | 2022-09-20 | 华为技术有限公司 | Method and device for determining channel quality indication |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190028254A1 (en) * | 2014-11-17 | 2019-01-24 | Samsung Electronics Co., Ltd | Csi feedback for mimo wireless communication systems with polarized active antenna array |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9088323B2 (en) * | 2013-01-09 | 2015-07-21 | Lg Electronics Inc. | Method and apparatus for reporting downlink channel state |
CN110212958B (en) * | 2013-05-21 | 2021-03-26 | 上海朗帛通信技术有限公司 | Channel information feedback method and device in mobile communication system |
US10432283B2 (en) * | 2016-03-07 | 2019-10-01 | Satixfy Uk Limited | Digital beam forming system and method |
CN107371241B (en) * | 2016-05-12 | 2021-03-23 | 华为技术有限公司 | Reference signal transmission method, network equipment, user equipment and communication system |
EP4064586A3 (en) * | 2016-08-11 | 2023-01-25 | Interdigital Patent Holdings, Inc. | Csi feedback design for new radio |
CN106972881B (en) * | 2017-02-22 | 2019-11-22 | 上海华为技术有限公司 | A kind of method and apparatus of wave beam forming BF weight assignment |
CN113422675A (en) * | 2017-08-09 | 2021-09-21 | 华为技术有限公司 | Method and device for transmitting control information |
CN109462462B (en) * | 2017-09-06 | 2021-07-27 | 上海朗帛通信技术有限公司 | Method and device used in user and base station of wireless communication |
CN109495149B (en) * | 2017-09-11 | 2021-10-15 | 华为技术有限公司 | Communication method, network equipment, terminal equipment and system |
WO2019049110A1 (en) * | 2017-09-11 | 2019-03-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Precoding and multi-layer transmission using reference signal resource subsets |
CN111342873B (en) | 2018-12-18 | 2021-11-30 | 华为技术有限公司 | Channel measurement method and communication device |
CN113489517A (en) | 2018-12-18 | 2021-10-08 | 华为技术有限公司 | Channel measurement method and communication device |
CN113452418A (en) | 2018-12-18 | 2021-09-28 | 华为技术有限公司 | Channel measurement method and communication device |
-
2019
- 2019-06-06 CN CN202110784654.8A patent/CN113660013A/en active Pending
- 2019-06-06 CN CN201910493468.1A patent/CN112054824B/en active Active
-
2020
- 2020-06-02 EP EP20818110.7A patent/EP3982552A4/en active Pending
- 2020-06-02 WO PCT/CN2020/093895 patent/WO2020244496A1/en unknown
-
2021
- 2021-12-03 US US17/541,668 patent/US11943014B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20190028254A1 (en) * | 2014-11-17 | 2019-01-24 | Samsung Electronics Co., Ltd | Csi feedback for mimo wireless communication systems with polarized active antenna array |
Also Published As
Publication number | Publication date |
---|---|
US11943014B2 (en) | 2024-03-26 |
CN113660013A (en) | 2021-11-16 |
WO2020244496A1 (en) | 2020-12-10 |
US20220123793A1 (en) | 2022-04-21 |
CN112054824B (en) | 2021-07-16 |
EP3982552A1 (en) | 2022-04-13 |
CN112054824A (en) | 2020-12-08 |
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RIC1 | Information provided on ipc code assigned before grant |
Ipc: H04B 7/06 20060101ALI20220525BHEP Ipc: H04L 5/00 20060101ALI20220525BHEP Ipc: H04B 7/10 20170101ALI20220525BHEP Ipc: H04B 7/0413 20170101ALI20220525BHEP Ipc: H04B 7/0456 20170101AFI20220525BHEP |
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